A visual tool of the appearance and flow of iOS application. It helps us create all the screens of an application and interconnect the screens under one interface MainStoryboard.storyboard. It also helps in reducing the coding of pushing/presenting view controllers.

A SQL relational database management system that runs on Linux, Windows, and a variety of Unix platforms. A single Firebird server can process several hundred independent databases, each with multiple user connections.

Relational Database Service is a web service that simplifies setting up, operating, and scaling a relational database in the cloud. The service provides economical and scalable use of resources while simultaneously automating time-consuming administrative tasks.

Stands for PHP Standards Recommendation. It provides a coding standard for PHP and simplifies the coding process. Currently there are several accepted PSRs (PSR-1, 2, 3, 4, 6, 7, 11, 13, 16) that describe basic coding and style, as well as standardize logger, HTTP message and caching interfaces, and others.